Well if the max level is going to be 200, I think the high exp rate is necessary to actually reach 200, because as far as I know, the highest level mob is like 160? So a 40 level gap difference is going to need quite a bit more exp. The extra stat per level boost is nice, so I don't think people will be in any hurry, but adding the rebirth system will keep people playing.
So since this is action 5-6, this will include Aloken right?